The Belt and Road Initiative has been widely supported by the international community in recent years，and has provided new opportunities for economic cooperation and development of all countries. The Belt and Road Initiative is the first important international cooperation mode in China，and the third-party markets cooperation has been written into the government work report for the first time in 2019. This section mainly takes the Belt and Road initiatives，and the new mode of international cooperation in the third-party market cooperation as the research object. On the basis of introducing the back ground of the third-party market cooperation，this paper firstly selects the Typical models of the third-party market cooperation represented by the countries among France，Japan，the United Kingdom and China for special analysis. Secondly，it makes an overview of the development of the third-party market cooperation from four dimensions：partners and platforms，cooperation fields and models，and cooperation development prospects and challenges. Finally，in order to help Chinese enterprises go abroad and push the third-party market cooperation to a higher level，relevant suggestions are put forward from the national level，industry level and enterprise level.